Dr Marcus trained in Oswestry (UK) at the internationally renowned orthopaedic hospital there and undertook fellowships in trauma and spine surgery. He has worked in the UK and Middle East and specialises in all aspects of spine surgery. He undertook fellowships in minimally invasive spine surgery, endoscopic surgery and scoliosis surgery. Dr Marcus also treats general orthopaedic trauma, managing fractures of the limbs and spine. Dr Marcus has written book chapters, published scientific papers and presented at international meetings.